Juniper IGP - CONFIGURATION GUIDE V11.1.X, Руководство по настройке

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Use to set the time in seconds to wait before declaring a neighbor down after
not receiving packets from that neighbor.
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Specify an interval in the range 0–2147483647 seconds; the default value is 40
seconds.
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Example
host1(config-router)# area 27.0.0.0 virtual-link 27.8.4.2 dead-interval 10
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Use the no version to remove the virtual link’s dead interval.
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See area virtual-link dead-interval
area virtual-link hello-interval
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Use to configure the hello interval on an OSPF virtual link.
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Specify an interval in the range 1–65535 seconds; the default value is 10 seconds.
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The hello interval is the time between the transmission of hello packets.
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The hello interval must be the same for all routers attached to a common network.
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Example
host1(config-router)# area 27.0.0.0 virtual-link 27.8.4.2 hello-interval 10
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Use the no version to remove the virtual link’s hello interval.
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See area virtual-link hello-interval
area virtual-link retransmit-interval
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Use to configure the retransmission interval on an OSPF virtual link.
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The retransmit interval is the time between retransmissions of link-state
advertisements for adjacencies belonging to the interface.
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Specify an interval in the range 0–3600 seconds; the default value is 5 seconds.
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Set the value greater than the expected round-trip delay.
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Example
host1(config-router)# area 27.0.0.0 virtual-link 27.8.4.2 retransmit-interval 6
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Use the no version to remove the interface’s retransmit interval.
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See area virtual-link retransmit-interval
area virtual-link transmit-delay
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Use to configure the estimated time it takes to transmit a link-state update packet
on the virtual link.
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Specify an interval in the range 0–3600 seconds; the default value is 1 second.
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Example
host1(config-router)# area 27.0.0.0 virtual-link 27.8.4.2 transmit-delay 1
Configuring OSPF Areas
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Chapter 5: Configuring OSPF